Liam Hemsworth to Guest Star on 'The Muppets' - Could He Be Miss Piggy's New Man?!

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'The Muppets' is gaining another high-profile guest star!

The Muppets is gaining another high-profile guest star!

Actor Liam Hemsworth is set to appear on the upcoming ABC comedy, ET confirms.

According to Entertainment Weekly, who first reported the news, the Hunger Games star will be playing himself on the highly anticipated series. And it looks like Miley Cyrus' ex had an on-set romance while filming his appearance.

The 25-year-old posted a flirty photo with Miss Piggy on Instagram, writing, "Spent Friday with the most beautiful girl in the world. Kermit, #SorryNotSorry" Ohh snap!

WATCH: Kermit The Frog Talks His Split With Miss Piggy!

ETonline sat down with Kermit in his first interview post-breakup with Miss Piggy, and the frog seemed to be in good spirits about the split.

"We're both working professionals," he said. "For years, we've had a professional relationship. I've been professional. She wanted a relationship. That's a bad joke, actually."

But still, having Hemsworth wooing your ex has got to be pretty gut-wrenching to watch. Are you green with envy, Kermit? Because we certainly are…

The Muppets premieres Tuesday, Sept. 22 at 8 p.m. ET/PT on ABC.